Function: gradient[1](product(numbers("xyx") if numbers('xyy') > numbers('yyx') else numbers("yxx") if abs(numbers('xyy') if numbers("yxx") > numbers("xyx") else numbers('yyx')) > numbers('xyy') else numbers("xyx"), abs(numbers("yxx") if numbers('yyx') > numbers("xyx") else numbers('xyy'))))
